Writing instrument



FIG. 1 is a perspective view taken from the side and below showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a plan view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view of FIG. 1 with the writing instrument barrel shown in an extended position;

FIG. 8 is a front view of FIG. 1 with the writing instrument barrel shown in an extended position;

FIG. 9 is a right side elevational view of FIG. 1, with the writing instrument barrel shown in an extended position, the left side elevational view being a mirror image thereof;

FIG. 10 is a rear view of FIG. 1, with the writing instrument barrel shown in an extended position;

FIG. 11 is a perspective view of FIG. 7 showing a second embodiment thereof;

FIG. 12 is a front view of FIG. 7, showing a second embodiment thereof;

FIG. 13 is a right side elevational view of FIG. 7, showing a second embodiment, the left side elevational view being a mirror image thereof; and,

FIG. 14 is a rear view of FIG. 7, showing a second embodiment thereof.

The broken line showing a ball point is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a “writing instrument”, as shown and described. 